Cover and imaging apparatus

Abstract

A cover surrounds an imaging apparatus of capturing an image. The cover includes a first section that forms a part of the cover and includes a first joint end, a second section that forms a part of the cover and includes a second joint end, and a joint that is provided between the first joint end of the first section and the second joint end of the second section. An incidence angle of light which is adapted to be incident to the joint from the imaging apparatus is smaller than a predetermined angle which does not cause total reflection.

What is claimed is: 
     
       1. A cover for surrounding an imaging apparatus of capturing an image, the cover comprising:
 a first section that forms a part of the cover and includes a first joint end; 
 a second section that forms a part of the cover and includes a second joint end; and 
 a joint that is provided between the first joint end of the first section and the second joint end of the second section, wherein 
 an incidence angle of light which is adapted to be incident to the joint from the imaging apparatus is smaller than a predetermined angle which does not cause total reflection. 
 
     
     
       2. The cover according to  claim 1 , wherein θ B  is smaller than θm which satisfies sin θm=n A /n B , where a refractive index of the first section or the second section is n B , a refractive index of the joint is n A , an incidence angle of light which travels from the first section or the second section to the joint is θ B , and a critical angle is θm. 
     
     
       3. The cover according to  claim 1 , wherein the joint excludes a turnover in a portion which is included in an imaging range of the imaging apparatus. 
     
     
       4. The cover according to  claim 1 , wherein the first section and the second section are made of a same material. 
     
     
       5. The cover according to  claim 1 , wherein the joint is parallel or perpendicular to an installation surface of a base which supports the imaging apparatus. 
     
     
       6. The cover according to  claim 1 , wherein the joint is not parallel to an installation surface of a base which supports the imaging apparatus. 
     
     
       7. The cover according to  claim 6 , wherein a part of the joint is in contact with the installation surface of the base. 
     
     
       8. The cover according to  claim 1 , wherein the first section and the second section are joined to each other at the joint so as to form a spherical segment. 
     
     
       9. The cover according to  claim 1 , wherein the joint includes an adhesive that adheres the first joint end of the first section to the second joint end of the second section. 
     
     
       10. The cover according to  claim 1 , wherein the adhesive is light-transmissive. 
     
     
       11. An imaging apparatus for capturing an image, the imaging apparatus comprising:
 an imaging unit that acquires an image signal; 
 a lens arrangement that includes an imaging lens which forms an image of a subject in the imaging unit; and 
 a cover that surrounds the imaging apparatus, wherein 
 the cover includes a first section that forms a part of the cover and includes a first joint end; 
 a second section that forms a part of the cover and includes a second joint end; and 
 a joint that is provided between the first joint end of the first section and the second joint end of the second section, wherein 
 an incidence angle of light which is incident to the joint from the imaging apparatus is smaller than a predetermined angle which does not cause total reflection.